Granted Patent
Utility
US 6,586,124 · App. 09/817,336
Method and apparatus for cold temperature operation of fuel cells utilizing hydrides having different heat capacities
Inventors:
Ronald Kelley, Steven D. Pratt, Sivakumar Muthuswamy, Robert W. Pennisi
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Mar 26, 2001
Inventors
Ronald Kelley
Steven D. Pratt
Sivakumar Muthuswamy
Robert W. Pennisi
Assignee (at issue)
Motorola, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.